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topPower Converter Characteristics

D31 cubicle
D31 BBC
Power In 3 ~ 400V/1425A
Power Out 2500A/285V
Converter Type Diodes 12P
Control type From power converter associated

topOperation Responsibles

1st Intervention Piquet Area icon Piquet TE-EPC Experimental Areas(163668)
Responsibles: Yves GAILLARD Yves GAILLARD
Xavier GENILLON Xavier GENILLON

topPower Converter Architecture

The D31 is a voltage booster called a "Diode module". It is used in North experimental area to increase the output voltage of R31 power converters.

This Diode module is composed of one part:

The Power part contains the transformer, the Main Circuit Breaker, the diode bridges and auxiliary circuitry.

D31 power architecture

North Area power converter with Diode architecture

topPower Part

The transformer has one primary delta winding and the two transformer secondary windings are delta and star connection.

The secondaries each feeds a 3 phases diode bridge assembly A and B.

Power In 3 ~ 400V/1425A
Power Out 2500A/285V
Cooling type Fans
Converter Weight Power module 2500 kg
Converter Size width: 1500mm 
depth: 1500mm
height: 2400mm

D31 power part

Power Part simplified Architecture / Topology .pdf

topControl & Regulation Part

The control of the external Diode Module is from the Power Converter. Control for turning ON of the MCB and required interlock signals in the diode Module are routed internally through terminal strips TSA/TSD or through SK31/SK32 connectors if the power converter and the Diode module are apart . The Diode Module MCB is switched on 2-3 seconds after the Power Converter.

topMachine Installation

Number of D31 power converters installed in North area:

topProduction Contract & Contract History

  • Manufacturer: ALGE
  • Production year: 1976